John Nyquist will present "You Don't Know Swift!"
He says: "For this presentation, I'm assuming you are already using Swift.
As developers, often we are thrown into new languages for a new project and have to hit the ground running. The result is you use the skills you currently know and work in the new language like you did in the old language…Not taking the time to slow down and smell the roses.
Language designers (usually) put a great deal of thought into what features they include in a new language (justifying its existence). Swift has a great deal of interesting features, I hope you find a few roses in this presentation."